sub-lacustrine fan

• 湖底扇

sub-lacustrine fan的用法和样例：

例句

1. In the lower part of Member 3 of Shahejie Formation, the main reservoir types are fan-delta and sublacustrine fan facies.
   沙三段下亚段主要储层沉积相类型为扇三角洲相和湖底扇相。